Ellis Grove is located in southwestern Illinois in Randolph County south of St Louis between Red Bud and Chester along Highway 3 about 3 miles northeast of the point where the Kaskaskia River empties into the Mississippi River.
Area attractions include the Pierre Menard Home, built at the turn of the 19th century for fur trader and influential politician Pierre Menard who became the state's first Lieutenant Governor.
Popular events include the Fall Artisans Gathering in early November. Period artisans demonstrate their various skills including basket making, broom making, lace tatting, spinning, wax portraits, weaving, wreath construction and more. A Revolutionary War Encampment is staged the last Saturday in June. In addition, the annual Traditional Music Festival, featuring Bluegrass, Cajun, Country and Irish music is presented in September.
The population estimate for July 1, 1998 was 344, a decrease of 9 since 1990.